doc: change "currently not considered public" to "not supported"

PR-URL: #34114
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

doc/api/async_hooks.md

@@ -304,7 +304,7 @@ been initialized. This can contain useful information that can vary based on
 the value of `type`. For instance, for the `GETADDRINFOREQWRAP` resource type,
 `resource` provides the host name used when looking up the IP address for the
 host in `net.Server.listen()`. The API for accessing this information is
-currently not considered public, but using the Embedder API, users can provide
+not supported, but using the Embedder API, users can provide
 and document their own resource objects. For example, such a resource object
 could contain the SQL query being executed.